SME: Deauthenticate to clear state after disassociation events

[libeap.git] / wpa_supplicant / sme.c

diff --git a/wpa_supplicant/sme.c b/wpa_supplicant/sme.c
index 734b2e9..5bb4573 100644 (file)
--- a/wpa_supplicant/sme.c
+++ b/wpa_supplicant/sme.c
@@ -427,3 +427,23 @@ void sme_event_assoc_timed_out(struct wpa_supplicant *wpa_s,
        wpa_supplicant_mark_disassoc(wpa_s);
        wpa_supplicant_req_scan(wpa_s, 5, 0);
 }
+
+
+void sme_event_disassoc(struct wpa_supplicant *wpa_s,
+                       union wpa_event_data *data)
+{
+       wpa_printf(MSG_DEBUG, "SME: Disassociation event received");
+       if (!is_zero_ether_addr(wpa_s->bssid) &&
+           !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)) {
+               /*
+                * cfg80211/mac80211 can get into somewhat confused state if
+                * the AP only disassociates us and leaves us in authenticated
+                * state. For now, force the state to be cleared to avoid
+                * confusing errors if we try to associate with the AP again.
+                */
+               wpa_printf(MSG_DEBUG, "SME: Deauthenticate to clear driver "
+                          "state");
+               wpa_drv_deauthenticate(wpa_s, wpa_s->bssid,
+                                      WLAN_REASON_DEAUTH_LEAVING);
+       }
+}